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Serjik [45]
3 years ago
15

Each month for 6 months , Kelsey completes 5 paintings. How many more paintings does she need to complete before she has complet

ed 38 paintings?
Mathematics
2 answers:
Ksenya-84 [330]3 years ago
7 0
8 because 6 months times 5 paintings each month is equal to 30. 38-30=8
Mice21 [21]3 years ago
3 0
39 more months are needed to continue finishing painting at this rate
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Which of the following exponential regression equation best fits the data shown below. Please help ASAP. ☺️
stepladder [879]

Answer:

Option D [y=6.61\,*\,1.55^x] in the list of possible answers

Step-by-step explanation:

For this problem you are supposed to use a calculator that allows you to do an exponential regression. There are many tools that can help you with that, depending on what your instructors has assigned for your class.

I am showing you the results of a graphing tool I use, and which after entering the x-values and the y-values in independent "List" forms, when I request the exponential regression to fit the data, I get what you can see in the attached image.

Notice that the exponential of best fit with my calculator comes in the form:

y=A\,e^{k\, x}

with optimized parameters:

A \approx 6.6114\,\,\,and\,\,\, k=0.4378321

Notice as well that since:

e^{0.4378321} \approx 1.5490

the exponential best fit can also be written:

y=6.611403\,\,*\,e^{0.4378321\, x}=6.611403\,*\,1.549^{\,x}

and this expression is very close to the last option shown in your list of possible answers

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3 years ago
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babunello [35]

Answer:

The answer is 3.

Step-by-step explanation:

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3 years ago
Which of the following makes sense as an answer to 8.9 *7.15
V125BC [204]

Answer:

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Step-by-step explanation:

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2 years ago
Last year Billy weighed 75kg. This year he weighed 90kg. With what percentage did his weight increase. SHOW ALL WORK!!!
polet [3.4K]

well let's round. 90= 100, 75=80 that is how I face it. now 80 is 1/5 of 5/5= 100. so as a (%) we would sort it like:::: it is 80% out of +100 so he must have grown around 13%-16% due to him being 75kg in the past.

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3 0
3 years ago
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